法華義疏 10.119

10.119

今以二義解釋：一者、有不二二義；二者、有二不二義。不二二義者，初言伽耶者蓋是昔伽耶耳。以昔日亦在伽耶城成道化此等眾，即是久遠已來，故與後文不相違也。

We now explain this with two meanings: first, there is the meaning of duality in non-duality; second, there is the meaning of non-duality in duality. As for the meaning of duality in non-duality, Gayā mentioned initially is none other than the Gayā of the past. Because in the past he also attained the Way at the city of Gayā and converted these assemblies, this is precisely "since long ago"; thus it does not contradict the later text.